/*
 * Copyright 2013-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.kubernetes.client.discovery;

import java.util.LinkedHashMap;
import java.util.Map;

import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.Test;

/**
 * @author wind57
 */
class KubernetesClientCatalogWatchContextTests {

	@Test
	void emptyLabels() {
		String result = KubernetesClientCatalogWatchContext.labelSelector(Map.of());
		Assertions.assertThat(result).isEmpty();
	}

	@Test
	void singleLabel() {
		String result = KubernetesClientCatalogWatchContext.labelSelector(Map.of("a", "b"));
		Assertions.assertThat(result).isEqualTo("a=b");
	}

	@Test
	void multipleLabelsLabel() {
		Map<String, String> labels = new LinkedHashMap<>();
		labels.put("a", "b");
		labels.put("c", "d");
		String result = KubernetesClientCatalogWatchContext.labelSelector(labels);
		Assertions.assertThat(result).isEqualTo("a=b,c=d");
	}

}
